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RF Cafe University"Factoids," "Kirt's Cogitations," and "Tech Topics Smorgasbord" are all manifestations of my rantings on various subjects relevant (usually) to the overall RF Cafe theme. All may be accessed on these pages:

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Kickstarter Funding - RF CafeIf you have a project planned or in the works that you would like to try to get someone else to fund, you might want to visit the Kickstarter website. Unlike having to swallow your pride and grope before relatives and/or venture capitalists, Kickstarter is an online venue where you present your plan to the world and hope that it is compelling enough to convince people to donate. You are obligated to deliver if successful. Here, I'll let the Kickstarter folks explain it:

"Kickstarter is the world's largest funding platform for creative projects. Every week, tens of thousands of amazing people pledge millions of dollars to projects from the worlds of music, film, art, technology, design, food, publishing and other creative fields.

A new form of commerce and patronage. This is not about investment or lending. Project creators keep 100% ownership and control over their work. Instead, they offer products and experiences that are unique to each project.

All or nothing funding. On Kickstarter, a project must reach its funding goal before time runs out or no money changes hands. Why? It protects everyone involved. Creators aren't expected to develop their project without necessary funds, and it allows anyone to test concepts without risk.

Each and every project is the independent creation of someone like you. Projects are big and small, serious and whimsical, traditional and experimental. They're inspiring, entertaining and unbelievably diverse. We hope you agree... Welcome to Kickstarter!"

Kictstarter Nixie Tube Radio - RF Cafe SmorgasbordA project by Ramos creates vintage-looking desktop radios with digital readouts made of nixie tubes and large LEDs. With this project, higher levels of funding pledges gets you various radios if successful. For instance, a pledge of $350 gets you a Nixie Ramos radio. As the mission statement says, you risk nothing if the funding goal is not met, so you can essentially place an order for a radio and lose nothing if the funding goal is not met. That, of course, doesn't necessarily mean that you cannot get the proprietor to build one for you outside of the purview of the project once it's over. Funding goal: $75,000US. Total pledged: $146,076US by 503 backers. This project is still open, with 33 hours to go as of this writing.

KickSat Sprite Micro-Satellite - RF CafeZac Manchester is a Ph.D. student in Aerospace Engineering at Cornell University. He has developed KickSat, which is a standardized SuceSat filled with his Sprite transmitters. "My goal is to bring down the huge cost of spaceflight, allowing anyone from a curious high school student or basement tinkerer to a professional scientist to explore what has until now been the exclusive realm of governments and large companies. By shrinking the spacecraft, we can fit more into a single launch slot and split the costs many ways. I want to make it easy enough and affordable enough for anyone to explore space." "After the Sprites are deployed from KickSat, we will track them and record their radio signals using a worldwide network of amateur ground stations to demonstrate their communication capabilities. We will also gather data on how long the Sprites stay in orbit and how well their electronics hold up in the harsh space environment." Funding goal: $30,000US. Total pledged: $74,586 US by 315 backers. The project reached its goal and is now closed. Nice!

Kickstarter BoardX Project - RF CafeMaxStream (Digi) XBee ZigBee Module - RF CafeBoardX, brainchild of Virginia Tech engineering student Kevin Green, is a great example of a successful project. "BoardX is a collection of electronic circuit boards that stack on top of one another to share resources, communicate, and extend the functionality of one another. This system is built on the motherboard that acts as both an electrical and structural foundation." The picture shows a MaxStream (now Digi) XBee ZigBee module as a second-tier daughterboard that provides a means to program the motherboard wirelessly. The stated reason for needing funding: "I need funding because I want to price these boards as low as I can so that everybody can afford one. Unfortunately, it just isn't possible unless I buy a lot of these boards and have them assembled in a factory." Funding goal: $5,000US. Total pledged: $13,114US by 103 backers. The project reached its goal and is now closed.

If you are not the inventor type, but would like to help motivate those who are, you should consider supporting a project or two. You take delivery of something tangible if the project is successful and lose nothing if it is not.


- Kirt Blattenberger



Posted March 30, 2012

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    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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